Home / 9,786.75-14,681.60-3,211.37

Finding the Fourth Proportional to 9,786.75, 14,681.60 and 3,211.37

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Solution

The fourth proportional to 9,786.75, 14,681.60 and 3,211.37 is: 4,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.75 : 14,681.60 = 3,211.37 : x
  2. Step 2: Convert to fraction form
    9,786.75/14,681.60 = 3,211.37/x
  3. Step 3: Cross multiply
    9,786.75x = 14,681.60 × 3,211.37
  4. Step 4: Simplify right side
    9,786.75x = 47,148,049.79
  5. Step 5: Solve for x
    x = 47,148,049.79/9,786.75
  6. Step 6: Final answer
    x = 4,817.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.